Help Version 19.0.2017.10.27
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#include "l_bitmap.h"
L_LTIVW_API L_INT EXT_FUNCTION L_DispContainerGetAnnotationCreatedCallBack(hCellWnd, ppfnCallBack, ppUserData)
L_HWND hCellWnd; |
handle to the cell window |
DISPCONTAINERANNOTATIONCREATEDCALLBACK * ppfnCallBack; |
pointer to the callback function |
LPVOID * ppUserData; |
pointer to be updated with user data |
Gets the current annotation-created callback function along with the user data, which were set using L_DispContainerSetAnnotationCreatedCallBack.
Parameter |
Description |
hCellWnd |
A handle to the window that represents the Medical Viewer Cell. |
ppfnCallBack |
Pointer to a pointer to a callback function to be updated with the last annotation-created callback function set using L_DispContainerSetAnnotationCreatedCallBack. |
ppUserData |
Void pointer to be updated with the value of user defined data associated with the tag callback. If you are not interested in the user-defined data, pass NULL for this parameter. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
This function gets the annotation-created callback. To set the annotation-created callback, use L_DispContainerSetAnnotationCreatedCallBack
Required DLLs and Libraries
LTIVW |
This example converts the annotation object (rectangle, ellipse and hilite) into a region once the user draws them
L_INT EXT_CALLBACK AnnotationCreatedCallBack(L_INT nCellIndex,L_INT nSubCellIndex,L_UINT uAnnotationType,L_VOID * pUserData){HDISPCONTAINER hCon = (HDISPCONTAINER)pUserData;HWND hCellWnd = L_DispContainerGetCellWindowHandle(hCon, nCellIndex, 0);switch(uAnnotationType){case ANNOBJECT_RECT:case ANNOBJECT_ELLIPSE:case ANNOBJECT_HILITE:L_DispContainerAnnToRgn(hCellWnd, nSubCellIndex, L_RGN_OR, TRUE, 0);break;}return SUCCESS;}L_INT DispContainerAnnotationCreatedCallbacksExample(HDISPCONTAINER hCon){DISPCONTAINERANNOTATIONCREATEDCALLBACK oldCallBack;L_VOID * pOldUserData;if (L_DispContainerGetCellCount(hCon, 0) == 0){MessageBox(NULL, TEXT("you must at least have one cell added to the viewer"), TEXT("No Cell attached"), MB_OK);return FAILURE;}HWND hCellWnd = L_DispContainerGetCellWindowHandle(hCon, 0, 0);L_DispContainerGetAnnotationCreatedCallBack(hCellWnd, &oldCallBack, &pOldUserData);L_DispContainerSetAnnotationCreatedCallBack(hCellWnd, AnnotationCreatedCallBack, hCon);return SUCCESS;}